CVE-2026-16812
CRITICAL CISA KEV
ACT NOW
Priority: 0.10
BB Relevance:
80/100
Published: 2026-07-27
Modified: 2026-10-24
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
P
AT:
None
VC:
High
VI:
High
VA:
High
Description
Arista VeloCloud Orchestrator On-Prem contains an OS command injection vulnerability that may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successful exploitation may compromise the confidentiality, integrity, and availability of the orchestrator and data managed by the orchestrator.
CISA Known Exploited Vulnerability
Vendor / Product
Arista — VeloCloud Orchestrator
Date Added
2026-07-27
Remediation Due
2026-07-30
https://www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-16812
Weakness Classification (1)
Affected Software (4)
| Vendor | Product | Version |
|---|---|---|
| arista | velocloud_orchestrator | 5.2.0 – 5.2.3.14 |
| arista | velocloud_orchestrator | 6.1.0 – 6.1.3.4 |
| arista | velocloud_orchestrator | 6.4.0 – 6.4.2.4 |
| arista | velocloud_orchestrator | 7.0.0 |
References & Advisories (2)
US Government Resource
Mitigation
Vendor Advisory